Cita APA

Schoell, W. F., & Guiltinan, J. P. (1990). Marketing: Contemporary concepts and practices (Fourth edition.). Boston, Massachusetts: Allyn and Bacon.

Citación estilo Chicago

Schoell, William F., y Joseph P. Guiltinan. Marketing: Contemporary Concepts and Practices. Fourth edition. Boston, Massachusetts: Allyn and Bacon, 1990.

Cita MLA

Schoell, William F., y Joseph P. Guiltinan. Marketing: Contemporary Concepts and Practices. Fourth edition. Boston, Massachusetts: Allyn and Bacon, 1990.